STM32 串口中断方式例程

【文件属性】：
文件名称：STM32 串口中断方式例程
文件大小：459KB
文件格式：RAR
更新时间：2015-08-22 04:55:11
STM32 串口 STM32 串口中断方式例程 /*---------------------------------------------------------------------------- USART1_IRQHandler Handles USART1 global interrupt request. *----------------------------------------------------------------------------*/ void USART1_IRQHandler (void) { volatile unsigned int IIR; struct buf_st *p; IIR = USART1->SR; if (IIR & USART_FLAG_RXNE) { // read interrupt USART1->SR &= ~USART_FLAG_RXNE; // clear interrupt p = &rbuf; if (((p->in - p->out) & ~(RBUF_SIZE-1)) == 0) { p->buf [p->in & (RBUF_SIZE-1)] = (USART1->DR & 0x1FF); p->in++; } } if (IIR & USART_FLAG_TXE) { USART1->SR &= ~USART_FLAG_TXE; // clear interrupt p = &tbuf; if (p->in != p->out) { USART1->DR = (p->buf [p->out & (TBUF_SIZE-1)] & 0x1FF); p->out++; tx_restart = 0; } else { tx_restart = 1; USART1->CR1 &= ~USART_FLAG_TXE; // disable TX interrupt if nothing to send } } }

【文件预览】：
实验6-USART_Irq串口中断方式
----说明.txt(178B)
----Usart_Opt.Bak(3KB)
----Usart.Opt(4KB)
----STM32F10x.s(11KB)
----Abstract.txt(881B)
----STM32_Init.c(302KB)
----JLinkLog.txt(257KB)
----Usart_RAM.dep(6KB)
----STM32_Init.c.bak(302KB)
----STM32_Init.h(1KB)
----Usart.Uv2(7KB)
----out()
--------LstRAM()
--------ObjSim()
--------LstFlash()
--------LstSim()
--------ObjFlash()
--------ObjRAM()
----Usart.c(6KB)
----Usart_Uv2.Bak(7KB)
----RAM.ini(1KB)
----STM32_Reg.h(8KB)
----Retarget.c(2KB)
----Usart_FLASH.dep(6KB)